Home / 105,814.83-146,028.66-58,069.87

Finding the Fourth Proportional to 105,814.83, 146,028.66 and 58,069.87

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Solution

The fourth proportional to 105,814.83, 146,028.66 and 58,069.87 is: 80,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.83 : 146,028.66 = 58,069.87 : x
  2. Step 2: Convert to fraction form
    105,814.83/146,028.66 = 58,069.87/x
  3. Step 3: Cross multiply
    105,814.83x = 146,028.66 × 58,069.87
  4. Step 4: Simplify right side
    105,814.83x = 8,479,865,302.47
  5. Step 5: Solve for x
    x = 8,479,865,302.47/105,814.83
  6. Step 6: Final answer
    x = 80,138.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.